An example of this is the supermassive black hole at the heart of the galaxy Messier 87 (M87), the first black hole imaged by humanity, noted for its energetic eruptions. Sgr A* has a mass 4.3 ...
A galaxy cluster has so much gas that we've picked up actual sound ... Another famous supermassive black hole also got the sonification treatment. M87*, the first black hole ever to be directly imaged ...
In 2003, astronomers detected something truly astonishing: acoustic waves propagating through the copious amounts of gas surrounding the supermassive black hole at the centre of the Perseus galaxy ...